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[v1,2/2] um: increase default virtual physical memory to 64 MiB

Message ID d7936f11aded13f03871c0d6502d611d6a1e2dc5.1659815468.git.chunkeey@gmail.com
State Accepted
Headers show
Series [v1,1/2] um: fix default console kernel parameter | expand

Commit Message

Christian Lamparter Aug. 6, 2022, 7:52 p.m. UTC 
The current 32 MiB of RAM causes OOMs to appear shortly after
booting in a minimal OpenWrt 22.03 configuration with a
5.10.134 kernel.

Of course, passing a "mem=64M" (from the --help text) parameter
works too, but it produces the following (info) message:

| [    0.000000] Unknown kernel command line parameters "mem=64M", will be passed to user space.

That's why, I think it would be nicer, if this is working out
of the box again :).

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
 arch/um/kernel/um_arch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 9c6991f42131..58aee676989c 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -131,7 +131,7 @@  static int have_root __initdata;
 static int have_console __initdata;
 
 /* Set in uml_mem_setup and modified in linux_main */
-long long physmem_size = 32 * 1024 * 1024;
+long long physmem_size = 64 * 1024 * 1024;
 EXPORT_SYMBOL(physmem_size);
 
 static const char *usage_string =